(19)
(11) EP 0 777 515 A1

(12)

(43) Date of publication:
11.06.1997 Bulletin 1997/24

(21) Application number: 95929943.0

(22) Date of filing: 23.08.1995
(51) International Patent Classification (IPC): 
B01D 11/ 04( . )
G01N 25/ 14( . )
(86) International application number:
PCT/GB1995/002003
(87) International publication number:
WO 1996/005902 (29.02.1996 Gazette 1996/10)
(84) Designated Contracting States:
BE DE ES FR GB IT

(30) Priority: 23.08.1994 GB 19940017014
09.01.1995 GB 19950000321
17.02.1995 GB 19950003114

(71) Applicants:
  • Bates, John
    Huntingdon, Cambridgeshire PE17 3ND (GB)
  • EDWARDS, John David
    Dorking, Surrey RH4 2AN (GB)

(72) Inventors:
  • Bates, John
    Huntingdon, Cambridgeshire PE17 3ND (GB)
  • EDWARDS, John David
    Dorking, Surrey RH4 2AN (GB)

(74) Representative: Perkins, Sarah 
Stevens, Hewlett & Perkins 1 Serjeants' Inn Fleet Street
London EC4Y 1LL
London EC4Y 1LL (GB)

   


(54) LIQUID-LIQUID EXTRACTION